KB38665: How to Display a Custom Message if the Number of Rows Exceeds a Specific Limit with MicroStrategy SDK 9.

The following customization will display a message instead of the graph if there are more than 15 rows returned.
 
Before Customization:

After Customization:

1. Launch the Web Customization Editor. 
2. Create a new plug-in and give it a meaningful name. For example: CustomMessageForGraphs. (For step by step instructions on creating a new plug-in, please navigate to Home > Web SDK > Customizing Strategy Web > Web Customization Editor > Features and Customizable).
3. Click in Strategy Web Configuration inside the Application Settings view to expand the hierarchical tree. The expanded list comprises the different settings that can be modified to perform customizations. 
4. Right-mouse click Styles and select Create Transform to launch the Transform Creation Wizard. 
5. Click Browse... next to the Source folder text field to select the src folder and click OK. 
   Enter the following information for the rest of the text fields:
        Package: ##Any package the client wants to use##
        Name: ReportGraphTransformImpl_Custom
        Transform description: This transform will display a custom message if the graph has more than 15 rows.
        Superclass: com.Strategy.web.app.transforms.ReportGraphTransformImpl
        Click Next. 
6. Check the checkbox for renderGraph(com.Strategy.web.beans.MarkupOutput out) and click Next. 
7. Click Finish. ReportGraphTransformImpl_Custom.java opens in the editor. 
8. For the renderGraph method, here is sample code to generate a message instead of the graph if there are more than 15 rows returned for the graph:
   

   
   // Retrieves the Report Bean information of the executed Graph.
   ReportBean rb = getReportBean();
   WebReportInstance wri = null;
      
   // Will hold then number of rows for the graph.
   int numRows = 0;
    
   // Retrieves the report instance
   try {
       wri = rb.getReportInstance();
   } catch (WebBeanException e) {
       e.printStackTrace();
   }
      
   try {
       // Retrieves the report results
       WebReportData reportData=wri.getResults();
       
       // Retrieves the number of rows returned for the graph (whole report)
       numRows = reportData.getGridTotalRows();
       
       // If there are more than 15 rows, then a message will appear
       if (numRows > 15){
             Tag tag = getTagsFactory().newTag("Custom Error Message");
              tag.addTextChild("<font size=72>CUSTOM ERROR MESSAGE</font>");
              tag.render(out);
       } else {
              // Otherwise, normally render the graph.
             super.renderGraph(out);
         }
   } catch (WebObjectsException e) {
       e.printStackTrace();
   }

   
    
   
9. Save changes to the ReportGraphTransformImpl_Custom.java file.
10. Navigate to Styles > ReportGraphStyle.
11. Right click on ReportGraphStyle and Open in Editor.
12. The Style Properties should appear.  Click on the Change button and choose the ReportGraphTransformImpl_Custom transform.
13. Save changes.
14. Restart web. 

ADDITIONAL INFORMATION
 
The Strategy SDK allows you to customize the standard Strategy Web interface, and extend and integrate the Strategy business intelligence functionality into other applications. However, before changing the way Strategy Web products look or behave, it is helpful to understand how the application is built. For more information regarding the Strategy Web architecture or the process of customizing Strategy Web, please refer to Strategy Developer Zone (https://resource.microstrategy.com/msdz/).
 
To access the Strategy Developer Zone, you must have access to the Strategy Knowledge Base, you must have purchased the Strategy SDK, and you must be current on your Strategy maintenance agreement. If you are a US-based business and believe that you satisfy all three of these conditions but you do not have access to the Strategy Developer Zone, please contact Strategy Technical Support at support@microstrategy.com or at (703) 848-8700. If you are an international business, please contact Strategy Technical Support at the appropriate email address or phone number found at http://www.microstrategy.com/Support/ContactUs.asp.
 
CUSTOMIZATION WARNING
This customization is provided as a convenience to Strategy users and is only directly applicable to the version stated. While this code may apply to other releases directly, Strategy Technical Support makes no guarantees that the code provided will apply to any future or previous builds. In the event of a code change in future builds, Strategy Technical Support makes no guarantee that an updated version of this particular customization will be provided. In the event of a code change in future builds, Strategy may not be able to provide additional code on this matter even though this customization is provided at this time for this specific build. For enhancements to this customization or to incorporate similar functionality into other versions, contact your Account Executive to inquire about Strategy Consulting assistance.